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mdbx: cleanup/refine GC-flags inside mdbx_page_alloc().

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Change-Id: Ie81c703815a7b3fbe59ad9b406811d5ed2913d02
This commit is contained in:
Leonid Yuriev 2020-11-01 10:01:19 +03:00
parent 21d2af9e90
commit 10681a53ae
1 changed files with 3 additions and 3 deletions
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6
src/core.c
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@ -5063,7 +5063,7 @@ __hot static int mdbx_page_alloc(MDBX_cursor *mc, const unsigned num,
if (unlikely(mc->mc_flags & C_RECLAIMING)) { if (unlikely(mc->mc_flags & C_RECLAIMING)) {
/* If mc is updating the GC, then the retired-list cannot play /* If mc is updating the GC, then the retired-list cannot play
* catch-up with itself by growing while trying to save it. */ * catch-up with itself by growing while trying to save it. */
flags &= ~(MDBX_ALLOC_GC | MDBX_COALESCE | MDBX_LIFORECLAIM); flags &= ~MDBX_ALLOC_GC;
} else if (unlikely(txn->mt_dbs[FREE_DBI].md_entries == 0)) { } else if (unlikely(txn->mt_dbs[FREE_DBI].md_entries == 0)) {
/* avoid (recursive) search inside empty tree and while tree is updating, /* avoid (recursive) search inside empty tree and while tree is updating,
* https://github.com/erthink/libmdbx/issues/31 */ * https://github.com/erthink/libmdbx/issues/31 */
@ -5270,8 +5270,8 @@ skip_cache:
/* Stop reclaiming to avoid overflow the page list. /* Stop reclaiming to avoid overflow the page list.
* This is a rare case while search for a continuously multi-page region * This is a rare case while search for a continuously multi-page region
* in a large database. https://github.com/erthink/libmdbx/issues/123 */ * in a large database. https://github.com/erthink/libmdbx/issues/123 */
flags -= MDBX_ALLOC_GC; flags &= ~MDBX_ALLOC_GC;
if (unlikely(flags == 0)) { if (unlikely((flags & MDBX_ALLOC_ALL) == 0)) {
/* Oh, we can't do anything */ /* Oh, we can't do anything */
rc = MDBX_TXN_FULL; rc = MDBX_TXN_FULL;
goto fail; goto fail;